Stephen Bosch wrote: > Hi: > > I have a Sangoma A200 card installed in a server with two FXO modules > and one FXS module. > > Analog sets connected to the FXS module have a "squeaky static" -- it's > like static mixed with the sound of someone vigorously cleaning a window > a few doors down. > > In other words, it's not a classic static noise, but it is noise, and > it's distracting. Remote callers can hear this noise. > > I have, by turns: > > - Tested the line with the same analog sets plugged in at the > demarcation point. No noise. (None of the SIP devices in this > configuration have this noise for outgoing calls, so I'm sure it's got > something to do with the FXS module). > > - Plugged the known good analog sets straight into the server > > - Moved the FXS module off the REMORA daughtercard to the main card > > - Replaced the FXS module with a new one > > - Run the server off of battery power, to see if the noise is garbage > leaking in off the AC > > - Turned off the PoE midspan > > The next thing I'm going to try is turning off the switch it's plugged > into. When that is done, I'll have done everything short of move the > server to a different location.
Maybe the power supply is generating this crap. Hmn. I'm going to test this hypothesis. -Stephen- _______________________________________________ --Bandwidth and Colocation provided by Easynews.com -- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
